21017634

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27366366

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 79, 87, 139, 158, 174, 237, 278, 319, 417, 474, 638, 834, 869, 957, 1529, 1738, 1914, 2291, 2607, 3058, 4031, 4582, 4587, 5214, 6873, 8062, 9174, 10981, 12093, 13746, 21962, 24186, 25201, 32943, 44341, 50402, 65886, 75603, 88682, 120791, 133023, 151206, 241582, 266046, 318449, 362373, 636898, 724746, 955347, 1910694, 3502939, 7005878, 10508817, 21017634]

約数ペア:

[(1, 21017634), (2, 10508817), (3, 7005878), (6, 3502939), (11, 1910694), (22, 955347), (29, 724746), (33, 636898), (58, 362373), (66, 318449), (79, 266046), (87, 241582), (139, 151206), (158, 133023), (174, 120791), (237, 88682), (278, 75603), (319, 65886), (417, 50402), (474, 44341), (638, 32943), (834, 25201), (869, 24186), (957, 21962), (1529, 13746), (1738, 12093), (1914, 10981), (2291, 9174), (2607, 8062), (3058, 6873), (4031, 5214), (4582, 4587)]